+86 13316070202
High Quality 40Cr Steel Excavator CAT 320 Track Pin 36.7*210MM - China Factory Suppliers for Durable Performance
Product Display
▶ Made from high-strength 40Cr steel for heavy-duty application.
High-quality excavator track pin made of 40Cr steel with heat treatment & wear resistance. Long service life up to 2000 hours. Custom sizes & OEM accepted. Fit 20–50 ton excavators. Factory direct, fast delivery.
▶ Professional heat treatment for excellent wear & abrasion resistance.
Durable track pins manufactured from premium 40Cr steel with excellent abrasion resistance. Precision polished, long working life, custom phosphating.
▶ Precise size 36.7×210MM, perfect fit for Caterpillar E320 excavator.
Custom sizes and OEM production based on samples or drawings, with factory-direct quality, fast delivery and reliable after-sales service.
Why Choose Us
Choosing the right supplier is about more than price—it is about consistency, capability, and trust. Quanzhou Hesen Machinery Industry Co., Ltd. has been serving the heavy machinery sector since 1990, building a legacy of over 30 years in the design, development, production, and sale of undercarriage parts. Our main offerings include track rollers, carrier rollers, sprockets, idlers, track link assemblies, track shoes, bushings and pins, bucket teeth, and high-strength bolts and nuts. With large warehouses supporting fast delivery and a dedicated team focused on quality, we are structured to support long-term partnerships. We believe in proactive communication, dependable after-sales support, and continuous improvement. If you are looking for a manufacturer who treats your business with the same care and professionalism that we have applied for three decades, we welcome you to send us your inquiry. Let us begin a conversation about how we can support your success with reliable products and a stable supply chain.
Frequently Asked Questions
Q
What material is used in the excavator track pin, and why is it important?
Our excavator track pins are manufactured from high-strength 40Cr steel, which undergoes professional heat treatment to achieve excellent wear and abrasion resistance. This material choice ensures a long service life of up to 2,000 hours, even under heavy-duty operating conditions.
Q
What is the standard size of the track pin, and which excavator model does it fit?
The standard size is 36.7×210MM, designed as a precise fit for the Caterpillar E320 excavator. However, we also accept custom size requests and OEM production based on customer samples or technical drawings to suit other excavator models.
Q
Which excavator tonnage range is compatible with your track pins?
Our track pins are designed to fit excavators ranging from 20 to 50 tons. For specific tonnage or model requirements outside this range, please contact us directly—we can provide customized solutions to meet your equipment needs.
Q
Do you support OEM orders and custom specifications?
Yes, we fully support OEM production and custom specifications. Customers can submit samples, drawings, or technical parameters, and our engineering team will produce track pins and other undercarriage parts to your exact requirements with factory-direct quality assurance.
Q
How long has Quanzhou Hesen Machinery been in the undercarriage parts industry?
Quanzhou Hesen Machinery Industry Co., Ltd. has been serving the heavy machinery sector since 1990—over 30 years of experience in designing, developing, producing, and supplying undercarriage parts including track rollers, sprockets, idlers, track shoes, bushings, pins, and more.
Q
What after-sales support do you provide, and how can I place an inquiry?
We provide dependable after-sales support, proactive communication, and continuous product improvement to ensure your long-term satisfaction. Our large warehouses enable fast delivery worldwide. To place an inquiry, simply contact us with your requirements, and our team will respond promptly to begin building a reliable partnership.